import { Resend } from 'resend';

const resend = new Resend('re_xxxxxxxxx');

const oneMinuteFromNow = new Date(Date.now() + 1000 * 60).toISOString();

const { data, error } = await resend.emails.update({
  id: '49a3999c-0ce1-4ea6-ab68-afcd6dc2e794',
  scheduledAt: oneMinuteFromNow,
});

{
  "object": "email",
  "id": "49a3999c-0ce1-4ea6-ab68-afcd6dc2e794"
}